Lays down the definition of the term "chronometer", describing the categoeries, the test programme and the acceptable minimum requirements for wrist-chronometers. Wristwatches using a tuning fork oscillator are subjected to these tests pending the availability of separate standards.
WITHDRAWN
ISO 3159:1976
95.99
Withdrawal of Standard
Nov 30, 2009
PUBLISHED
ISO 3159:2009
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